The WRCGV10-849-859-894-904-50-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 859 to 894 MHz, Bandwidth 35 MHz, Insertion Loss 1 to 1.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-849-859-894-904-50-1 can be seen below.